Corey, G. (1990). Theory and practice of group counselling (3rd ed.). Brooks/Cole Publishing.
Chicagoスタイル(17版)引用形式Corey, Gerald. Theory and Practice of Group Counselling. 3rd ed. California.: Brooks/Cole Publishing, 1990.
MLA(9版)引用形式Corey, Gerald. Theory and Practice of Group Counselling. 3rd ed. Brooks/Cole Publishing, 1990.
警告: この引用は必ずしも正確ではありません.